On November 11th of the Mystery Year, the armistice that ended World War I was signed. To find the year, students solve math clues involving divisibility by 11, fraction division, patterns, and exponents. This puzzle reviews 6th and 7th grade skills and is great to use for review or test prep at any time.WHAT YOU WILL GETPrintable Mystery-Year puzzle page with answer key4 pages of Teacher Notes including step-by-step Solutions, Extensions, Historical Notes, and helpful tips1 page of tips for usi